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andrew-mc [135]
3 years ago
12

Solve for x. A) - 9 C) -5 B) -11 D) 10

Mathematics
1 answer:
slavikrds [6]3 years ago
5 0

Answer: D) 10

Step-by-step explanation:

<u>All angles in a triangle adds up to 180°</u>

60° + 50° + 7x = 180°

7x = 180° - 60° - 50° = 180°- 110° = 70°

x = (70 ÷ 7)° = 10°

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